
    private void sumActionPerformed(java.awt.event.ActionEvent evt) {                                    
        double sum=0.00;
        sum=(65.30*7)+(33.80*5);
        String sum1=Double.toString(sum);
        outsum.setText(sum1);
    }                                   

    private void closeActionPerformed(java.awt.event.ActionEvent evt) {                                      
       setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
    }                                     
        